TWI354462B - Method and apparatus in a mimo based communication - Google Patents

Method and apparatus in a mimo based communication Download PDF

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Publication number
TWI354462B
TWI354462B TW093136172A TW93136172A TWI354462B TW I354462 B TWI354462 B TW I354462B TW 093136172 A TW093136172 A TW 093136172A TW 93136172 A TW93136172 A TW 93136172A TW I354462 B TWI354462 B TW I354462B
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TW
Taiwan
Prior art keywords
communication
group
user terminals
user
users
Prior art date
Application number
TW093136172A
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English (en)
Chinese (zh)
Other versions
TW200529589A (en
Inventor
Peter Larsson
Svante Signell
David Astely
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200529589A publication Critical patent/TW200529589A/zh
Application granted granted Critical
Publication of TWI354462B publication Critical patent/TWI354462B/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0628—Diversity capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0426—Power distribution
    • H04B7/0434—Power distribution using multiple eigenmodes
    • H04B7/0443—Power distribution using multiple eigenmodes utilizing "waterfilling" technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
TW093136172A 2003-12-19 2004-11-24 Method and apparatus in a mimo based communication TWI354462B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0302058 2003-12-19
PCT/SE2004/001358 WO2005060123A1 (fr) 2003-12-19 2004-09-22 Procede et appareil dans un systeme de communication mimo (entree multiple sortie multiple)

Publications (2)

Publication Number Publication Date
TW200529589A TW200529589A (en) 2005-09-01
TWI354462B true TWI354462B (en) 2011-12-11

Family

ID=34699243

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093136172A TWI354462B (en) 2003-12-19 2004-11-24 Method and apparatus in a mimo based communication

Country Status (9)

Country Link
US (1) US7778342B2 (fr)
EP (1) EP1695456B1 (fr)
KR (1) KR101084831B1 (fr)
CN (1) CN100555906C (fr)
AT (1) ATE448607T1 (fr)
DE (1) DE602004024116D1 (fr)
ES (1) ES2336115T3 (fr)
TW (1) TWI354462B (fr)
WO (1) WO2005060123A1 (fr)

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WO2006055719A2 (fr) * 2004-11-16 2006-05-26 The Board Of Regents, The University Of Texas System Systeme et procede de precodage pour transmission multi-utilisateur dans des systemes radio a antennes multiples
KR20060096365A (ko) * 2005-03-04 2006-09-11 삼성전자주식회사 다중 사용자 다중입력 다중출력（ｍｕ－ｍｉｍｏ）통신시스템의 사용자 스케줄링 방법
US7403571B2 (en) * 2005-03-23 2008-07-22 Korea Electronics Technology Institute Method for eliminating reception interference signal of space-time block coded orthogonal frequency division-multiplexing system in high-speed mobile channel
US7917100B2 (en) 2005-09-21 2011-03-29 Broadcom Corporation Method and system for a double search user group selection scheme with range in TDD multiuser MIMO downlink transmission
US7917101B2 (en) 2005-09-21 2011-03-29 Broadcom Corporation Method and system for a greedy user group selection with range reduction in TDD multiuser MIMO downlink transmission
US7899421B2 (en) 2005-09-21 2011-03-01 Broadcom Corporation Double search algorithm of user group selection for multiuser MIMO downlink transmission
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US8914015B2 (en) * 2006-03-20 2014-12-16 Qualcomm Incorporated Grouping of users for MIMO transmission in a wireless communication system
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US7941186B2 (en) * 2006-07-25 2011-05-10 Samsung Electronics Co., Ltd. Apparatus and method for scheduling multiuser/single user in multiple input multiple output (MIMO) system
US8102931B2 (en) 2006-09-29 2012-01-24 Apple Inc. Method and device for operating a precoded MIMO system
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US8351530B2 (en) * 2007-02-16 2013-01-08 Interdigital Technology Corporation Method and apparatus for transmitting control signaling for MIMO transmission
EP2120466A4 (fr) * 2007-02-28 2014-03-26 Ntt Docomo Inc Dispositif d'utilisateur dans un système de communication mobile, dispositif de station de base, et procédé de commande de communication
US8547986B2 (en) 2007-04-30 2013-10-01 Apple Inc. System and method for resource block-specific control signaling
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US8098755B2 (en) * 2007-09-07 2012-01-17 Broadcom Corporation Method and system for beamforming in a multiple user multiple input multiple output (MIMO) communication system using a codebook
US7978623B1 (en) 2008-03-22 2011-07-12 Freescale Semiconductor, Inc. Channel rank updates in multiple-input multiple-output communication systems
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WO2009135983A1 (fr) * 2008-05-07 2009-11-12 Elektrobit Wireless Communications Ltd. Procédé et système de réduction de charge de rétroaction dans des systèmes sans fil mobiles
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Also Published As

Publication number Publication date
TW200529589A (en) 2005-09-01
ES2336115T3 (es) 2010-04-08
KR101084831B1 (ko) 2011-11-21
US7778342B2 (en) 2010-08-17
EP1695456B1 (fr) 2009-11-11
CN1918815A (zh) 2007-02-21
WO2005060123A1 (fr) 2005-06-30
EP1695456A1 (fr) 2006-08-30
DE602004024116D1 (de) 2009-12-24
ATE448607T1 (de) 2009-11-15
US20070258392A1 (en) 2007-11-08
KR20060123283A (ko) 2006-12-01
CN100555906C (zh) 2009-10-28

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